CHICAGO — Kiser Group has brokered the acquisition of a fully leased six-unit apartment building at 6900 N. Sheridan Road in Chicago’s Rogers Park neighborhood for $3.1 million. At $525,000 per unit, the sale price is the highest on record for Rogers Park on both a per-unit and per-square-foot basis. Located at the northwest corner of Farwell Avenue and Sheridan Road, the four-story building was built in 1918 and fully rehabbed in 2014. It includes four two-bedroom, two-bath units; one three-bedroom, two-bath duplex; and a four-bedroom, two-and-a-half-bath penthouse, with monthly rents ranging from $2,500 to $4,000. Aaron Sklar of the Kiser Group broker represented the buyer, a private investor.